![]() South of Detroit is getting the snow first, then the northern counties later in the morning. Then a changeover from rain to snow sometime during the morning hours Friday. The European model has been the more consistent one, showing rain late Thursday into Friday morning. Midweek forecastĬurrently, the computer models we use to forecast the weather disagree with the timing and amount of snow expected. So the message is one that the environment tomorrow will be supportive of severe weather.4Warn Weather – If you are traveling anytime between Thursday and Sunday, you must keep a close eye on the forecast over the next two days. Will state is again, however, the development of thunderstorm activity could very well remain in question. This includes a strong tornado threat and large hail of golf ball or larger. “Any deep thunderstorm that forms will have the potential to be supercell and pose the threat of significant severe weather. The National Weather Service in Detroit/Pontiac says the following in terms of Wednesday’s severe weather potential: The greatest time frame for severe weather looks to be around lunchtime and working through the afternoon and into the early evening hours. This will be one of the situations where we will have to wait and see how the atmosphere evolves and what develops on Wednesday. Something to keep in mind with this, though, is there remains considerable uncertainty about the coverage of thunderstorms as the front rolls through the region and what areas will be under the greatest threat for severe weather, despite all of Southeastern Michigan having the chance of seeing severe weather. These storms could be severe.Ĥ-7 p.m: The second wave of thunderstorms moves through the region as the cold front presses through. Lunchtime: Brief break in Thunderstorm activityġ-5 p.m.: First wave of thunderstorms moves through the area. Morning Hours: Scattered thunderstorms are possible as a warm front lifts north of Southern Michigan Here’s the current timeline of thunderstorm activity for Wednesday: There is a higher-than-normal threat for strong tornadoes and significant hail greater than 2″ in diameter tomorrow, as the Storm Prediction Center has placed lower Michigan in a “Significant Hatched” area in their severe weather outlooks for tomorrow. ![]() Keep in mind EF-2 tornado winds are 111-135 MPH, and EF-3 tornado winds are 136-165 MPH.Īs of Tuesday afternoon, all modes of severe weather are possible, including damaging winds in excess of 60 MPH, large hail greater than 1″ in diameter, and tornadoes. Significant Tornado Hatching: There is a 10% or greater probability of seeing EF-2 to EF-5 tornadoes within 25 miles of a point. Hen egg-size hail is 2.0″ in diameter, so this is some hail that can do some damage if it falls. Golf ball size hails is 1.75″ in diameter. Significant Hail Hatching: There is a 10% or greater probability of seeing two-inch (2″) diameter hail within 25 miles of a point on the map. What does the “Significant Hatching” for our area mean? After a soggy start to the day on Tuesday, with most places seeing rain showers, we are looking ahead to the potential of severe thunderstorms moving into the region for the middle of the week on Wednesday.
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